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29 lines
516 B
Objective-C
29 lines
516 B
Objective-C
/* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "ASSentinel.h"
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#import <libkern/OSAtomic.h>
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@implementation ASSentinel
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{
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int32_t _value;
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}
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- (int32_t)value
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{
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return _value;
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}
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- (int32_t)increment
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{
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return OSAtomicAdd32(1, &_value);
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}
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@end
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